<!DOCTYPE html>
<html>
<head>
  <title>10 fading circle</title>
  <style type="text/css">
    /*
 *  Usage:
 *
 *    <div class="sk-spinner sk-spinner-fading-circle">
 *      <div class="sk-circle1 sk-circle"></div>
 *      <div class="sk-circle2 sk-circle"></div>
 *      <div class="sk-circle3 sk-circle"></div>
 *      <div class="sk-circle4 sk-circle"></div>
 *      <div class="sk-circle5 sk-circle"></div>
 *      <div class="sk-circle6 sk-circle"></div>
 *      <div class="sk-circle7 sk-circle"></div>
 *      <div class="sk-circle8 sk-circle"></div>
 *      <div class="sk-circle9 sk-circle"></div>
 *      <div class="sk-circle10 sk-circle"></div>
 *      <div class="sk-circle11 sk-circle"></div>
 *      <div class="sk-circle12 sk-circle"></div>
 *    </div>
 *
 */
.sk-spinner-fading-circle.sk-spinner {
  margin: 0 auto;
  width: 22px;
  height: 22px;
  position: relative; }
.sk-spinner-fading-circle .sk-circle {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0; }
.sk-spinner-fading-circle .sk-circle:before {
  content: '';
  display: block;
  margin: 0 auto;
  width: 18%;
  height: 18%;
  background-color: #333;
  border-radius: 100%;
  -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out;
          animation: sk-circleFadeDelay 1.2s infinite ease-in-out;
  /* Prevent first frame from flickering when animation starts */
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both; }
.sk-spinner-fading-circle .sk-circle2 {
  -webkit-transform: rotate(30deg);
      -ms-transform: rotate(30deg);
          transform: rotate(30deg); }
.sk-spinner-fading-circle .sk-circle3 {
  -webkit-transform: rotate(60deg);
      -ms-transform: rotate(60deg);
          transform: rotate(60deg); }
.sk-spinner-fading-circle .sk-circle4 {
  -webkit-transform: rotate(90deg);
      -ms-transform: rotate(90deg);
          transform: rotate(90deg); }
.sk-spinner-fading-circle .sk-circle5 {
  -webkit-transform: rotate(120deg);
      -ms-transform: rotate(120deg);
          transform: rotate(120deg); }
.sk-spinner-fading-circle .sk-circle6 {
  -webkit-transform: rotate(150deg);
      -ms-transform: rotate(150deg);
          transform: rotate(150deg); }
.sk-spinner-fading-circle .sk-circle7 {
  -webkit-transform: rotate(180deg);
      -ms-transform: rotate(180deg);
          transform: rotate(180deg); }
.sk-spinner-fading-circle .sk-circle8 {
  -webkit-transform: rotate(210deg);
      -ms-transform: rotate(210deg);
          transform: rotate(210deg); }
.sk-spinner-fading-circle .sk-circle9 {
  -webkit-transform: rotate(240deg);
      -ms-transform: rotate(240deg);
          transform: rotate(240deg); }
.sk-spinner-fading-circle .sk-circle10 {
  -webkit-transform: rotate(270deg);
      -ms-transform: rotate(270deg);
          transform: rotate(270deg); }
.sk-spinner-fading-circle .sk-circle11 {
  -webkit-transform: rotate(300deg);
      -ms-transform: rotate(300deg);
          transform: rotate(300deg); }
.sk-spinner-fading-circle .sk-circle12 {
  -webkit-transform: rotate(330deg);
      -ms-transform: rotate(330deg);
          transform: rotate(330deg); }
.sk-spinner-fading-circle .sk-circle2:before {
  -webkit-animation-delay: -1.1s;
          animation-delay: -1.1s; }
.sk-spinner-fading-circle .sk-circle3:before {
  -webkit-animation-delay: -1s;
          animation-delay: -1s; }
.sk-spinner-fading-circle .sk-circle4:before {
  -webkit-animation-delay: -0.9s;
          animation-delay: -0.9s; }
.sk-spinner-fading-circle .sk-circle5:before {
  -webkit-animation-delay: -0.8s;
          animation-delay: -0.8s; }
.sk-spinner-fading-circle .sk-circle6:before {
  -webkit-animation-delay: -0.7s;
          animation-delay: -0.7s; }
.sk-spinner-fading-circle .sk-circle7:before {
  -webkit-animation-delay: -0.6s;
          animation-delay: -0.6s; }
.sk-spinner-fading-circle .sk-circle8:before {
  -webkit-animation-delay: -0.5s;
          animation-delay: -0.5s; }
.sk-spinner-fading-circle .sk-circle9:before {
  -webkit-animation-delay: -0.4s;
          animation-delay: -0.4s; }
.sk-spinner-fading-circle .sk-circle10:before {
  -webkit-animation-delay: -0.3s;
          animation-delay: -0.3s; }
.sk-spinner-fading-circle .sk-circle11:before {
  -webkit-animation-delay: -0.2s;
          animation-delay: -0.2s; }
.sk-spinner-fading-circle .sk-circle12:before {
  -webkit-animation-delay: -0.1s;
          animation-delay: -0.1s; }

@-webkit-keyframes sk-circleFadeDelay {
  0%, 39%, 100% {
    opacity: 0; }

  40% {
    opacity: 1; } }

@keyframes sk-circleFadeDelay {
  0%, 39%, 100% {
    opacity: 0; }

  40% {
    opacity: 1; } }

  </style>
</head>
<body>
 

    <div class="sk-spinner sk-spinner-fading-circle">
      <div class="sk-circle1 sk-circle"></div>
      <div class="sk-circle2 sk-circle"></div>
      <div class="sk-circle3 sk-circle"></div>
      <div class="sk-circle4 sk-circle"></div>
      <div class="sk-circle5 sk-circle"></div>
      <div class="sk-circle6 sk-circle"></div>
      <div class="sk-circle7 sk-circle"></div>
      <div class="sk-circle8 sk-circle"></div>
      <div class="sk-circle9 sk-circle"></div>
      <div class="sk-circle10 sk-circle"></div>
      <div class="sk-circle11 sk-circle"></div>
      <div class="sk-circle12 sk-circle"></div>
    </div>
</body>
</html>